9x-(4x+3)=12

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Solution for 9x-(4x+3)=12 equation:


Simplifying
9x + -1(4x + 3) = 12

Reorder the terms:
9x + -1(3 + 4x) = 12
9x + (3 * -1 + 4x * -1) = 12
9x + (-3 + -4x) = 12

Reorder the terms:
-3 + 9x + -4x = 12

Combine like terms: 9x + -4x = 5x
-3 + 5x = 12

Solving
-3 + 5x = 12

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + 3 + 5x = 12 + 3

Combine like terms: -3 + 3 = 0
0 + 5x = 12 + 3
5x = 12 + 3

Combine like terms: 12 + 3 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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